-3+7n=25

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Solution for -3+7n=25 equation: 



-3+7n=25

We move all terms to the left:

-3+7n-(25)=0

We add all the numbers together, and all the variables

7n-28=0

We move all terms containing n to the left, all other terms to the right

7n=28

n=28/7

n=4

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